PDF(228 KB)
ON STABILITY OF NONSTATIONARY URBAN AND RURAL POPULATION CONTROL SYSTEMS AND CRITICAL FERTILITY RATES OF FEMALES
CHEN REN-ZHAO;GAO HANG
Journal of Systems Science and Mathematical Sciences ›› 1986, Vol. 6 ›› Issue (4) : 314-318.
PDF(228 KB)
PDF(228 KB)
ON STABILITY OF NONSTATIONARY URBAN AND RURAL POPULATION CONTROL SYSTEMS AND CRITICAL FERTILITY RATES OF FEMALES
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